Peptide ChooserMelanotan II
Not approvedResearch-useChecked 27 Oct 2026
Not approved: its nomination for pharmacy compounding was withdrawn. FDA source, 19 Oct 2026. Our sexual health page lists it. The lowest price at the 10 shops shown below is $1.00/mg (Chimera Peptides), checked 18 Oct 2026.
Evidence by goal
What each goal page that lists it says, word for word, with its sources. The evidence rating comes from a goal page's checked options table; a goal without one shows "Not rated".
| Goal | Evidence in people | What the goal page says |
|---|---|---|
| Sexual healthMelanotan II | Not rated | A tanning peptide also sold "for libido". Linked to serious side effects; never approved anywhere. |
Where it is sold
The 10 shops in the price window on our goal pages, each with its cheapest listing by price per mg, most checks first. Research-use sellers; we do not link to them. Prices checked 27 Oct 2026.
| Shop | Size | Price | Per mg | Checks |
|---|---|---|---|---|
| Iron Aminos | 100 mg | $169.99 | $1.70/mg | 4 of 5 checksLab reports: yesNo FDA letter: yesCompany found: yesLegal pages: noFresh prices: yes |
| IDUN Peptides | 100 mg | $129.99 | $1.30/mg | 4 of 5 checksLab reports: yesNo FDA letter: yesCompany found: yesLegal pages: noFresh prices: yes |
| Go Alpha Labs (AlphaLabs Peptides) | 100 mg | $209.99 | $2.10/mg | 3 of 5 checksLab reports: yesNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| RUO | 10 mg | $28.00 | $2.80/mg | 3 of 5 checksLab reports: yesNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| Swiss Chems (Swisschems) | 10 mg | $27.96 | $2.80/mg | 3 of 5 checksLab reports: yesNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| Polaris Peptides | 17 mg | $45.00 | $2.65/mg | 3 of 5 checksLab reports: yesNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| Panda Peptides | 10 mg | $24.99 | $2.50/mg | 3 of 5 checksLab reports: yesNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| Silverstone Labs Co. | 10 mg | $19.00 | $1.90/mg | 3 of 5 checksLab reports: yesNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| Chimera Peptides | 200 mg | $200.00 | $1.00/mg | 2 of 5 checksLab reports: noNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| Atomix | 10 mg | $24.99 | $2.50/mg | 1 of 5 checksLab reports: noNo FDA letter: noCompany found: noLegal pages: noFresh prices: yes |
Price per mg is the price divided by the stated amount. Checks are facts we hold about the seller, not a safety or quality grade. How we rate
FDA warning letters
Our letters list is by company, not by substance. The letters page lists all 172, each with its subject and a link to fda.gov; filter it by a company name.
Sources
- FDA, status of Melanotan II, 19 Oct 2026: https://www.fda.gov/drugs/human-drug-compounding/certain-bulk-drug-substances-use-compounding-may-present-significant-safety-risks